EOF on U8_64 FOSS fixed. (That particular directory ran out of disk space, which means the md5 got generated bad as well - yes I know...not everything is SNMP monitored, too much other stuff on the todo list.)
The other thing to note is you may need to manually remove /opt/zimbra/log/zmconfigd.pid during the upgrade:
Bug 58733 - zmconfigd doesn't respond to stop/kill signal